Navier-Stokes-based linear model for unstably stratified turbulent channel flows

Navier-Stokes-based linear model for unstably stratified turbulent channel flows

We use the linearized Navier-Stokes equations to study the large-scale flow structures in unstably stratified turbulent channel flows. The impulse response of the linear operator at bulk Richardson numbers from Rib=0.001 to Rib=1.0 are considered, corresponding to the increasing influence of buoyanc...

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Bibliographic Details
Main Authors: Chung, D. (Author), Illingworth, S.J (Author), Madhusudanan, A. (Author), Marusic, I. (Author)
Format: Article
Language:English
Published: American Physical Society 2022
Subjects:
Bulk Richardson number
Channel flow
Constant flow
Direct-numerical-simulation
Eddy Diffusivities
Eddy viscosity
Flow structure
Impulse response
Large-scale flow structure
Linear modeling
Linear operators
Linearization
Mathematical operators
Navier Stokes
Navier Stokes equations
Turbulent channel flows
Viscous flow
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